package com.viki.test.testvisitinternet;

import java.security.KeyStore;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpVersion;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.client.params.ClientPNames;
import org.apache.http.client.params.CookiePolicy;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.PlainSocketFactory;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;

import android.util.Log;

public class HttpsConnection {
	private static final String TAG = "HttpsConnection";
	/**
	 * Get请求方式
	 * @param sslUrl 请求地址
	 * @param data 请求地址中参数
	 * @param contentType 内容形式
	 * @return 请求结果，为json格式
	 */
	public static String sendGetURL(String sslUrl,String data,String contentType){
		HttpClient httpClient = createHttpsClient();
		httpClient.getParams().setParameter(ClientPNames.COOKIE_POLICY, CookiePolicy.RFC_2109);
		
		HttpGet request = null;
		if(null != data) {
			request = new HttpGet(sslUrl+data);
		} else {
			request = new HttpGet(sslUrl);
		}
		configDefaultHeader(request,contentType);

        HttpResponse response = null;
        try {
            response = httpClient.execute(request);

            if (response != null) {
                return EntityUtils.toString(response.getEntity());
            }
            return null;
        } catch (Exception e) {
            Log.e(TAG, "HttpUtils: " + e);
        }
        return null;
	}
	/**
	 * Post请求方式
	 * @param sslUrl 请求地址
	 * @param httpEntity 向服务器发送要处理的数据内容
	 * @param contentType 内容形式
	 * @return
	 */
	public static String sendPostURL(String sslUrl, HttpEntity httpEntity, String contentType) {
		// 1.创建一个HttpClient对象
		HttpClient httpClient = createHttpsClient();
		httpClient.getParams().setParameter(ClientPNames.COOKIE_POLICY, CookiePolicy.RFC_2109);
		// 2.创建请求方式，通过访问地址构造HttpPost对象
		HttpPost request = new HttpPost(sslUrl);
		// 3.设置请求Header 在这里包含ACCESS_TOKEN 格式为：Authorization:OAuth2空格abcd 这里的abcd假定为Access Token的值 
		configDefaultHeader(request,contentType);

		if( null != httpEntity )
		{
			request.setEntity(httpEntity);
		}
        HttpResponse response = null;
        try {
            response = httpClient.execute(request);

            if (response != null) {
                return EntityUtils.toString(response.getEntity());
            }
            return null;
        } catch (Exception e) {
            Log.e(TAG, "HttpUtils: " + e);
        }
        return null;
	}
	private static HttpClient createHttpsClient() {
	    try {
	    	// 密钥管理
	        KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
	        trustStore.load(null, null);
	
	        // 配置基于ssl的访问，接受所有主机
	        SSLSocketFactory sf = new MySSLSocketFactory(trustStore);
	        sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
	
	        HttpParams params = new BasicHttpParams();
	        HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
	        HttpProtocolParams.setContentCharset(params, HTTP.UTF_8);
	
	        SchemeRegistry registry = new SchemeRegistry();
	        registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
	        registry.register(new Scheme("https", sf, 443));
	
	        ClientConnectionManager ccm = new ThreadSafeClientConnManager(params, registry);
	
	        return new DefaultHttpClient(ccm, params);
	    } catch (Exception e) {
	        return new DefaultHttpClient();
	    }
	}
	/**
	 * 配置Header
	 */
	private static void configDefaultHeader(HttpRequestBase requestBase,String contentType){
	    requestBase.setHeader("Accept", "text/html,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5");
	    
	    if (contentType != null) {
            requestBase.setHeader("Content-Type", contentType);
        } else {
            requestBase.setHeader("Content-Type", "application/x-www-form-urlencoded");
        }
	    // 非常重要，如果不设置将返回错误信息
	    if( null != SimulateWeiboActivity.ACCESS_TOKEN)
	    {
	    	requestBase.setHeader("Authorization","OAuth2 "+SimulateWeiboActivity.ACCESS_TOKEN);
	    }
	}
}
